MCQ
Which of the acids cannot be prepared by Grignard reagent
- AAcetic acid
- BSuccinic acid
- ✓Formic acid
- DAll of these

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$Compound\xrightarrow{{KMn{O_4}/{H^ \oplus }}}$
| Exp. | $[A]$ | $[B]$ | Rate of reaction |
| $1$ | $0.1$ | $0.1$ | $2 \times {10^{ - 3}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |
| $2$ | $0.4$ | $0.1$ | $0.4 \times {10^{ - 2}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |
| $3$ | $0.1$ | $0.2$ | $1.4 \times {10^{ - 2}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |


How can this reaction is made to proceed in forward direction?